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NEED TO BREAK THE BIOS PASSWORD ON MY SON'S DELL INSPIRON 8500

\015 SERVICE TAG NUMBER HR9C831 , EXPRESS SERVICE CODE 38653573357My son was given this laptop by a woman that lost the power supply and forgot the BIOS pass word.Can you give us either a universal unlock code or tell us how to by pass the BIOS password. We tried removing the BIOS battery overnight but that didn't help. Evidentaly it has a high end chipset that does NOT use the BIOS battery to retain the password.Thank you.Don Jones\015

Answers :

Dell uses NVRAM which retains the password forever regardless of removing the battery as you now know. The service tag number is used with a keygen to generate a master password. As a Dell tech I can tell you that what I have done is to go to Dell's support site, add this laptop to your own products where you can enter the service tag number then ask Dell support for the master password which they will provide with their keygen. \015\012  This is the only way you can access the BIOS setup where you can choose a new password or disable the password. If the service tag number you enter shows another registered owner you can just have them do an online transfer to yourself. Then you will have full access to customer service. \015\012Steve Medley
Usually there is a jumper to clear the cmos which will reset the bios password should be near the battery.
\015\012There is 3 prongs the jumper is on 2 you need to move it to cover the one that the jumper is not on.
\015\012Either that if there is only the jumper just remove it and then reseat it.
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